1816225

Information

• Patent Grant
• 1816225

• References
• Source

• Patent Number

  1,816,225

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1931
  93 years ago

• CPC

  • B23G9/003 - Deburring screws
  • Y10T409/305656 - including means to support work for rotation during operation

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus
  • 409 - Gear cutting, milling, or planing